http://support1.lenovo.com.cn/lenovo/wsi/Modules/Driverdownload.aspx?SearchType=1&LogicType=1&MachineId=-4974&IsSeachOne=true&IsBackPage=false&typename=%e6%89%ac%e5%a4%a9T290给你官方下载地址，全系列的驱动！！
